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Finding the Third Proportional to 1,871,648.25 and 3,831,801.75

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Solution

The third proportional to 1,871,648.25 and 3,831,801.75 is: 7,844,799.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,871,648.25 : 3,831,801.75 = 3,831,801.75 : x
  2. Step 2: Convert to fraction form
    1,871,648.25/3,831,801.75 = 3,831,801.75/x
  3. Step 3: Cross multiply
    1,871,648.25x = 3,831,801.75 × 3,831,801.75
  4. Step 4: Simplify right side
    1,871,648.25x = 14,682,704,651,303.06
  5. Step 5: Solve for x
    x = 14,682,704,651,303.06/1,871,648.25
  6. Step 6: Final answer
    x = 7,844,799.18

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.